Microsoft 365 Identity and Services (MS-100) certification validates your ability to deploy, configure, and manage Microsoft 365 services, identity, security, and compliance. This guide covers everything you need to prepare for the MS-100 exam in 2026.
MS-100 focuses on managing Microsoft 365 tenant services, identity, access, and core workloads. It is one of the two required exams for the Microsoft 365 Certified: Administrator Expert certification.
Question 1: Which Microsoft 365 service is used to manage user identities and access?
Explanation: Azure Active Directory (Azure AD) is the identity and access management service for Microsoft 365.
Question 2: Which tool is used to synchronize on-premises Active Directory with Azure AD?
Explanation: Azure AD Connect enables hybrid identity by syncing on-premises AD with Azure AD.
Question 3: Which Microsoft 365 feature enforces sign-in security based on conditions such as location or device?
Explanation: Conditional Access policies control access based on user, device, location, and risk.
Question 4: Which Microsoft 365 admin center is used to manage Exchange Online?
Explanation: The Exchange Admin Center (EAC) is used to manage mailboxes, mail flow, and Exchange settings.
Question 5: Which Microsoft 365 feature allows just-in-time privileged access?
Explanation: Privileged Identity Management provides time-bound, approval-based access to admin roles.
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The Microsoft MS-100 Certification Exam (Microsoft 365 Identity and Services) validates your ability to plan, implement, and manage Microsoft 365 services. It demonstrates skills in managing users, groups, security, and compliance in Microsoft 365 environments.
The MS-100 exam covers planning and implementing Microsoft 365 services, managing users and groups, managing security and compliance, planning Microsoft 365 workloads, and troubleshooting common issues within Microsoft 365.
Clearcatnet always keeps exam prep material up-to-date by considering frequent changes in exam skills measured. We provide real exam-style questions and answers with explanations and reference links. This builds your confidence for the best preparation so that you are fully ready to pass your exam on the FIRST ATTEMPT ONLY!
Learning Microsoft MS-100 boosts your career by validating expertise in Microsoft 365 identity and services. It prepares you for roles such as Microsoft 365 Administrator, Cloud Administrator, and IT Manager, while enhancing your skills in security, compliance, and user management.
The target audience includes Microsoft 365 administrators, IT professionals, system engineers, and cloud solution managers responsible for deploying, configuring, and managing Microsoft 365 services and ensuring secure access for users.
Skills measured include managing Microsoft 365 tenant and subscriptions, planning and implementing identity management, managing users and groups, implementing security and compliance, and monitoring service health and troubleshooting issues.
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The Microsoft MS-100 exam typically includes multiple-choice questions, case studies, and scenario-based tasks. The exam contains around 40–60 questions with a time limit of approximately 120 minutes. The passing score is generally 700 out of 1000.
Microsoft role-based certifications are valid for one year. You can renew your certification online for free to stay updated with the latest Microsoft 365 features and services.
There are no formal prerequisites for MS-100. However, familiarity with Microsoft 365 services, Azure Active Directory, Windows OS, and basic identity management concepts is recommended. Hands-on experience with Microsoft 365 administration is beneficial.
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